dmesg: support ctime & notime time-format.

This commit is contained in:
Fuad Ismail
2024-11-25 19:54:33 +07:00
parent 4c1812f128
commit a99abce425
5 changed files with 253 additions and 1 deletions

208
Cargo.lock generated

@ -2,6 +2,12 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "adler2"
version = "2.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
[[package]]
name = "aho-corasick"
version = "1.1.3"
@ -11,6 +17,21 @@ dependencies = [
"memchr",
]
[[package]]
name = "android-tzdata"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
[[package]]
name = "android_system_properties"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
dependencies = [
"libc",
]
[[package]]
name = "anstream"
version = "0.6.15"
@ -60,6 +81,12 @@ dependencies = [
"windows-sys 0.52.0",
]
[[package]]
name = "autocfg"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
[[package]]
name = "bitflags"
version = "1.3.2"
@ -72,6 +99,12 @@ version = "2.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
[[package]]
name = "bumpalo"
version = "3.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
[[package]]
name = "bytecount"
version = "0.6.8"
@ -84,6 +117,15 @@ version = "1.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
[[package]]
name = "cc"
version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fd9de9f2205d5ef3fd67e685b0df337994ddd4495e2a28d185500d0e1edfea47"
dependencies = [
"shlex",
]
[[package]]
name = "cfg-if"
version = "1.0.0"
@ -96,6 +138,20 @@ version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
[[package]]
name = "chrono"
version = "0.4.38"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
dependencies = [
"android-tzdata",
"iana-time-zone",
"js-sys",
"num-traits",
"wasm-bindgen",
"windows-targets 0.52.6",
]
[[package]]
name = "clap"
version = "4.5.21"
@ -155,6 +211,15 @@ version = "0.8.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
[[package]]
name = "crc32fast"
version = "1.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
dependencies = [
"cfg-if",
]
[[package]]
name = "crossbeam-deque"
version = "0.8.5"
@ -229,6 +294,16 @@ version = "2.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8c02a5121d4ea3eb16a80748c74f5549a5665e4c21333c6098f283870fbdea6"
[[package]]
name = "flate2"
version = "1.0.35"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c936bfdafb507ebbf50b8074c54fa31c5be9a1e7e5f467dd659697041407d07c"
dependencies = [
"crc32fast",
"miniz_oxide",
]
[[package]]
name = "fnv"
version = "1.0.7"
@ -270,6 +345,29 @@ version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
[[package]]
name = "iana-time-zone"
version = "0.1.61"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
dependencies = [
"android_system_properties",
"core-foundation-sys",
"iana-time-zone-haiku",
"js-sys",
"wasm-bindgen",
"windows-core 0.52.0",
]
[[package]]
name = "iana-time-zone-haiku"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
dependencies = [
"cc",
]
[[package]]
name = "io-lifetimes"
version = "1.0.11"
@ -293,6 +391,15 @@ version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
[[package]]
name = "js-sys"
version = "0.3.72"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a88f1bda2bd75b0452a14784937d796722fdebfe50df998aeb3f0b7603019a9"
dependencies = [
"wasm-bindgen",
]
[[package]]
name = "libc"
version = "0.2.164"
@ -311,12 +418,27 @@ version = "0.4.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
[[package]]
name = "log"
version = "0.4.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
[[package]]
name = "memchr"
version = "2.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
[[package]]
name = "miniz_oxide"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1"
dependencies = [
"adler2",
]
[[package]]
name = "nix"
version = "0.29.0"
@ -344,6 +466,15 @@ version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
[[package]]
name = "num-traits"
version = "0.2.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
dependencies = [
"autocfg",
]
[[package]]
name = "num_threads"
version = "0.1.7"
@ -488,6 +619,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cc5b72d8145275d844d4b5f6d4e1eef00c8cd889edb6035c21675d1bb1f45c9f"
dependencies = [
"bitflags 2.6.0",
"chrono",
"flate2",
"hex",
"procfs-core",
"rustix 0.38.39",
@ -500,6 +633,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "239df02d8349b06fc07398a3a1697b06418223b1c7725085e801e7c0fc6a12ec"
dependencies = [
"bitflags 2.6.0",
"chrono",
"hex",
]
@ -671,6 +805,12 @@ dependencies = [
"serde",
]
[[package]]
name = "shlex"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
[[package]]
name = "siphasher"
version = "0.3.11"
@ -903,7 +1043,9 @@ dependencies = [
name = "uu_dmesg"
version = "0.0.1"
dependencies = [
"chrono",
"clap",
"procfs",
"regex",
"serde",
"serde_json",
@ -1013,6 +1155,61 @@ version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "wasm-bindgen"
version = "0.2.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "128d1e363af62632b8eb57219c8fd7877144af57558fb2ef0368d0087bddeb2e"
dependencies = [
"cfg-if",
"once_cell",
"wasm-bindgen-macro",
]
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cb6dd4d3ca0ddffd1dd1c9c04f94b868c37ff5fac97c30b97cff2d74fce3a358"
dependencies = [
"bumpalo",
"log",
"once_cell",
"proc-macro2",
"quote",
"syn 2.0.82",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e79384be7f8f5a9dd5d7167216f022090cf1f9ec128e6e6a482a2cb5c5422c56"
dependencies = [
"quote",
"wasm-bindgen-macro-support",
]
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "26c6ab57572f7a24a4985830b120de1594465e5d500f24afe89e16b4e833ef68"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.82",
"wasm-bindgen-backend",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
[[package]]
name = "wild"
version = "2.2.1"
@ -1050,7 +1247,16 @@ version = "0.57.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "12342cb4d8e3b046f3d80effd474a7a02447231330ef77d71daa6fbc40681143"
dependencies = [
"windows-core",
"windows-core 0.57.0",
"windows-targets 0.52.6",
]
[[package]]
name = "windows-core"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
dependencies = [
"windows-targets 0.52.6",
]

@ -82,6 +82,8 @@ tempfile = { workspace = true }
libc = { workspace = true }
rand = { workspace = true }
uucore = { workspace = true, features = ["entries", "process", "signals"] }
# dmesg test require fixed-boot-time feature turned on.
dmesg = { version = "0.0.1", package = "uu_dmesg", path = "src/uu/dmesg", features = ["fixed-boot-time"] }
[target.'cfg(unix)'.dev-dependencies]
xattr = { workspace = true }

@ -16,3 +16,8 @@ uucore = { workspace = true }
regex = { workspace = true }
serde_json = { workspace = true }
serde = { workspace = true }
chrono = "0.4.38"
procfs = "0.17"
[features]
fixed-boot-time = []

@ -155,9 +155,13 @@ impl Dmesg<'_> {
if let Some(records) = &self.records {
for record in records {
match self.time_format {
TimeFormat::Ctime => {
print!("[{}] ", time_formatter::ctime(record.timestamp_us))
}
TimeFormat::Raw => {
print!("[{}] ", time_formatter::raw(record.timestamp_us))
}
TimeFormat::Notime => (),
_ => unimplemented!(),
}
println!("{}", record.message);

@ -1,5 +1,40 @@
use chrono::{DateTime, FixedOffset, TimeDelta, Timelike};
#[cfg(feature = "fixed-boot-time")]
use chrono::{NaiveDate, NaiveTime};
use std::sync::OnceLock;
pub fn raw(timestamp_us: u64) -> String {
let seconds = timestamp_us / 1000000;
let sub_seconds = timestamp_us % 1000000;
format!("{:>5}.{:0>6}", seconds, sub_seconds)
}
pub fn ctime(timestamp_us: u64) -> String {
let mut date_time = boot_time()
.checked_add_signed(TimeDelta::microseconds(timestamp_us as i64))
.unwrap();
// dmesg always round up sub seconds.
if date_time.time().nanosecond() > 0 {
date_time = date_time.checked_add_signed(TimeDelta::seconds(1)).unwrap();
}
date_time.format("%a %b %d %H:%M:%S %Y").to_string()
}
static BOOT_TIME: OnceLock<DateTime<FixedOffset>> = OnceLock::new();
#[cfg(feature = "fixed-boot-time")]
fn boot_time() -> DateTime<FixedOffset> {
*BOOT_TIME.get_or_init(|| {
let date = NaiveDate::from_ymd_opt(2024, 11, 18).unwrap();
let time = NaiveTime::from_hms_opt(19, 34, 12).unwrap();
let tz = FixedOffset::east_opt(7 * 3600).unwrap();
chrono::NaiveDateTime::new(date, time)
.and_local_timezone(tz)
.unwrap()
})
}
#[cfg(not(feature = "fixed-boot-time"))]
fn boot_time() -> DateTime<FixedOffset> {
*BOOT_TIME.get_or_init(|| procfs::boot_time().unwrap().into())
}